/*
 * Copyright 2009 Brian Mackay brianwmackay@msn.com
 *   All Rights Reserved. See end of file
 */
package com.bmackay.vonsteuben.job.mapred.base;

import com.bmackay.vonsteuben.base.conf.PropertyConstants;
import org.apache.hadoop.mapred.JobConf;
import org.apache.hadoop.mapred.Mapper;


public class DriverJobConfBase extends JobConf {


    public DriverJobConfBase(String configuration) {
        super(configuration);
    }

    public void setWorkingDirectory(String jobName) {
        set(PropertyConstants.MAPRED_WORKING_DIR, jobName);
    }

    public void setLocalDirectory(String path) {
        set(PropertyConstants.MAPRED_LOCAL_DIR, path);
    }

    public Class getMapClass() {
        return getClassByNameasSubclass(get(PropertyConstants.MAPRED_MAPPER_CLASS), Mapper.class);
    }

    private Class getClassByNameasSubclass(String className, Class cls) {

        Class clz = null;
        try {
            clz = getClassByName(className).asSubclass(cls);
        } catch (ClassNotFoundException ex) {

        }
        return clz;
    }
}

/*
 * Copyright 2009 Brian Mackay brianwmackay@msn.com
 * All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the 'License');
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an 'AS IS' BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
